<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>选择器权重</title>
		<!-- 选择器权重越高，选中几率越大 -->
		<style>
			*{   /*权值0  很容易被覆盖*/
				color: #ffaa00 !important;
				background: #55ffff !important;
			}
			div{  /*权值 1*/
				color: #ff0000;
				background: #ff557f;
			}
			.d1{  /*权值 10*/
				color: #ff007f;
				background: #55aaff;
			}
			div.d1{ /* 选择器权值之和 权值1+10 11 */
				color: #aa00ff;
				background: #00ff00;
			}
			body div.d1{ /*权值 12*/
				font-size: 25px;
				color: #ffff00;
				background: #000000;
			}
			#d1{  /*权值 100*/
				font-size: 15px;
				color: #0055ff;
				background: #005500;
			}
			div#d1{ /*权值 101*/
				font-size: 20px;
				color: #5555ff;
				background: #aaff00;
			}
			div#d1:hover{  /*权值 111*/
				color: #00aa7f;
				background: #aa5500;
			}
		</style>
	</head>
	<body>
		<div class="d1" id="d1" style="color:red;">Lorem, ipsum dolor sit amet consectetur adipisicing elit. Corrupti repudiandae et earum ab neque perferendis velit nihil commodi harum, deleniti, aut totam asperiores culpa rerum nesciunt est ratione laboriosam fugiat!</div>
	</body>
</html>